FM11 and GMPP LS6 heads dyno graph
04-11-2005, 08:59 PM
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FM11 and GMPP LS6 heads dyno graph We put the tune in it out of the cam only car that made 390 rwhp in it last Friday. It's running rich as hell and problably needs a degree of timing taken from it due to 11:1 compression. The setup consist of a 39,000 mile shortblock, GMPP LS6 heads 60.7 cc, FM11, LS6 intake, Shaner S2 T.B., ASP underdrive pulley, 12 bolt with 4:10 gears, and 18 X 10.5 Motorsport Z06 wheels. The car pulled 437/407 with no dyno tricks. We are going to do a wideband tune and see what she does. Also we will be adding a TNT F2 kit and try a 150-200 h.p. shot.
04-13-2005, 12:17 PM
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he also added an asp pully and ported tb. but, the motor made the 390 in a different car that had stock 3.42 gears in a 10 bolt. the 4.10's in his 12 bolt are eating up 10-15 rwhp more than the 10 bolt did.
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04-21-2005, 09:35 PM
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Originally Posted by WS-Sick
Are the heads out of the box?
These are out of the box, the only thing I did was change the springs to Comp 918's.
04-22-2005, 04:57 PM
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Originally Posted by Z06 Steve
sweet.keep us posted with the updated #'s
Will do, I'm trying to sell the FM11 right now, and move up to a FM13 on a 114 lsa.
04-23-2005, 08:27 AM
#19
Originally Posted by INVISIBLEZ
These are out of the box, the only thing I did was change the springs to Comp 918's.
Bruce
